WebViewer1 access to local files on tablet

MIT App Inventor Help
1

Is it possible when I have the Webviewer1 to let the webviewer have access to the local files on the tablet?

I created an app in MIT App iNventor with 2 buttons. When you click on 1 of a button a website will appear in Webservice. In this website its need to upload a file from local storage.

When user is click button 2 a another website must be appearing in the webviewer with rights to the local data on the tablet.

image

2

The build-ini WebViewer can not open file chooser.
You need to use custom webviewer extension, search it from community forum please.

3

Hello Jeroen

See Anke's diagram of Android Storage and what can/can't be accessed:

You can't do this:
btn2